fix core dump in autoprewarm

When Who What
2024-01-23 20:22:46 Nathan Bossart (bossartn) Closed in commitfest 2024-03 with status: Committed
2024-01-23 20:09:27 Nathan Bossart (bossartn) New status: Ready for Committer
2024-01-22 22:28:13 Nathan Bossart (bossartn) Changed authors to Nathan Bossart (bossartn)
2024-01-22 22:28:13 Nathan Bossart (bossartn) Changed committer to bossartn
2024-01-22 22:28:13 Nathan Bossart (bossartn) Changed targetversion to 17
2024-01-22 22:28:03 Nathan Bossart (bossartn) Attached mail thread 20240122204117.swton324xcoodnyi@awork3.anarazel.de
2024-01-22 22:28:03 Nathan Bossart (bossartn) Created patch record